Home / 228,623.11-343,147.43-116,387.35

Finding the Fourth Proportional to 228,623.11, 343,147.43 and 116,387.35

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Solution

The fourth proportional to 228,623.11, 343,147.43 and 116,387.35 is: 174,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,623.11 : 343,147.43 = 116,387.35 : x
  2. Step 2: Convert to fraction form
    228,623.11/343,147.43 = 116,387.35/x
  3. Step 3: Cross multiply
    228,623.11x = 343,147.43 × 116,387.35
  4. Step 4: Simplify right side
    228,623.11x = 39,938,020,037.01
  5. Step 5: Solve for x
    x = 39,938,020,037.01/228,623.11
  6. Step 6: Final answer
    x = 174,689.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.